Home / 20,615,242.98-28,449,086.31-11,447,885.46

Finding the Fourth Proportional to 20,615,242.98, 28,449,086.31 and 11,447,885.46

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Solution

The fourth proportional to 20,615,242.98, 28,449,086.31 and 11,447,885.46 is: 15,798,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615,242.98 : 28,449,086.31 = 11,447,885.46 : x
  2. Step 2: Convert to fraction form
    20,615,242.98/28,449,086.31 = 11,447,885.46/x
  3. Step 3: Cross multiply
    20,615,242.98x = 28,449,086.31 × 11,447,885.46
  4. Step 4: Simplify right side
    20,615,242.98x = 325,681,881,518,534.06
  5. Step 5: Solve for x
    x = 325,681,881,518,534.06/20,615,242.98
  6. Step 6: Final answer
    x = 15,798,110.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.